112455689 has 4 divisors (see below), whose sum is σ = 113615124. Its totient is φ = 111296256.

The previous prime is 112455641. The next prime is 112455703. The reversal of 112455689 is 986554211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986554211 = 5303 ⋅186037.

It can be written as a sum of positive squares in 2 ways, for example, as 55950400 + 56505289 = 7480^2 + 7517^2 .

It is a cyclic number.

It is not a de Polignac number, because 112455689 - 2¹⁶ = 112390153 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112455389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579572 + ... + 579765.

It is an arithmetic number, because the mean of its divisors is an integer number (28403781).

Almost surely, 2^112455689 is an apocalyptic number.

It is an amenable number.

112455689 is a deficient number, since it is larger than the sum of its proper divisors (1159435).

112455689 is an equidigital number, since it uses as much as digits as its factorization.

112455689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159434.

The product of its digits is 86400, while the sum is 41.

The square root of 112455689 is about 10604.5126714998. The cubic root of 112455689 is about 482.6813035350.

The spelling of 112455689 in words is "one hundred twelve million, four hundred fifty-five thousand, six hundred eighty-nine".